10-19 Exercise 3: Prints the number with its digits reversed

2 like 0 dislike
17.9k views

Write a program that input four-digit number, then prints the number with its digits reversed .

寫一個輸入4位數字，反轉輸出這個數字的值

Example input: 

5455

Example output:

5545

Example input: 

5400

Example output:

45
[Exercise] Coding (C) - asked in Chapter 4: Expressions by (12.1k points)
ID: 27669 - Available when: Unlimited - Due to: Unlimited
edited by | 17.9k views

64 Answers

0 like 0 dislike 
Hidden content!
* ** *** * * * * ** 
int main()
{
*  *** *  ****   a,b,c,d;
 **           * * *  **   * * ****  * *    * ***  *  *     **   ***  * *  
***  * *** ** **** *
  {
*  **     * * ** ****   *** *  ** ***   *     * * * ****  *  
  }
    * ** * **** 
  {
 ** * * * **  * ******   *  * * * *    ** * ***** *  **    
  }
  ** ** **  *** *  
*  * *      ** **
** *** * * *     ** ** *    *  ** *  **   ** ***  * *   *  
  }
** **     *       
***   **  * *** 
  *****   *   **   **  *  *** ******  * **** *   ***** * **
  }
 ** *  * *  **  ** 0;
}
answered by (-255 points)
1 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include<stdio.h>
 ****** *    **  *** 
int main(){
 ******  *** * * *** *  * ** *   str[4];
*  **   ***      * *  * *  ***   * **   *   * ******* * **
*    *   * * * ** ***        * *   * ***** 
*  ********    * *** *** *****  ** *  ***    **   *
  *  ** **  ** * * **   **   0;
}
answered by (-116 points)
0 1
prog.c: In function 'main':
prog.c:5:13: error: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[4]' [-Werror=format=]
     scanf("%s",&str);
             ^
prog.c:6:5: error: implicit declaration of function 'strrev' [-Werror=implicit-function-declaration]
     strrev(str);
     ^~~~~~
cc1: all warnings being treated as errors
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>

int main()

{
***  ** **  *  *   ** ** ***    a,b,c,d;
 ***   ** * ***    ***** * ***    *   ** ** *** *      *****  * ****  ** ***** 

 **  * *  * ** ***  **  **  *  * (d!=0)
  ** *  ****   *    **** **
** * ** ***  *** *    ** ****  ***** **   ** * ** ** *         *      *  * **  **   * *** 
    }

 *  **  *** ********  * * * ***   (c!=0)
***  *  **** ** *  * **  * *    *
 * *   * *    * * ****** *** *    *  **  *  ** * ** (d==0)
 ** *** **** **   * *   ** *** **  **    * *** ***      *   ***   ***   * 
  *** *  * **  ** *  * *  * 

*  **  * *****  * *  ** **   (b!=0)
* ***   * **  **       
  ****    *     *   ****** * ***  *   **    *   *  (d==0 && c==0)
 * ** ****  *  **** **** ***   * * *  * *     *  **         ***     * ***  ***** ** 
    }



*  *  *    * * ****** ** * ***  0;
}
answered by (-249 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include    ** ***   **  
#include  * *   ** * * **** 

int input[4];
int digit;
int output = 0;
int i;
int main(){

*  **   * **  ***** *** ****    *** *    ****   * *  *  **    * ** *******   * ***** *****    * **  *  *  

* ******* **  **** ** * *   ** **  += input[0]*1;
**  ** ****** *****   *    *** *      +=  *** *
    * *   **  * *** *** * ****  += **** ** * **
 * ***  *****  ** *        *    * **   +=   *  *  


  *** *   **   ** ** * *********** *    *  ** **  *      
     * **  **    * * ******  *  0;
}
answered by (-286 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include   *** *   * ****
#include  * ** *****  ** 

int input[4];
int digit;
int output = 0;
int i;
int main()
{

 ** * ******   *      *  *  * * ** ****   *     *** * *** *  *  ** *   **    **   * * * *  * *  ** * **  ****

 *  ***  * **** ****    * *** ***   **** * 
*    * * **  * *   ** ***   ** **  ** * *** **    *****  += input[i]*pow(10,i);
   * *********      *** 

***  *  * **  *   **    *   *    *        **** **  ** 
 *      * **** *    ** *** *  *   0;
}
answered by (-286 points)
0 0
prog.c: In function 'main':
prog.c:14:28: error: implicit declaration of function 'pow' [-Werror=implicit-function-declaration]
         output += input[i]*pow(10,i);
                            ^~~
prog.c:14:28: error: incompatible implicit declaration of built-in function 'pow' [-Werror]
prog.c:14:28: note: include '<math.h>' or provide a declaration of 'pow'
cc1: all warnings being treated as errors
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
int main()
{
*  *  *** **   **   *   a,b,c,d;
 *         *** ** * **** *    *    * *   * *** * * ***        *   * * *     **  * **
    if
* *    ** *  ***  **    ** * **  *** ****** ** **  *     *   && c==0 && d==0)

* *  ** ** ** ****  **     **          **  * * *  **   **    *** *     

*   * * * ***      ***** **  if

 * ** * ** **        * ***  ** ** * **** ** ****  ***  && d==0)

** *** * *     **   *** **  * **** ******  *****   ***  *     ** * * *

*** ** *** * **  * * * *  ****   if

 *  * *  *  * ***  * * * *   *  *  ** *  **** * **  ***    ******

  ** ****    *  * * ****  **  **     **  ** ******** * * *** *  ** *  * *  *     *  

**  * ***  * *   ** *   * *

 ***        *  * * *    * **** **  ** ******     ***     ******* *** **  * * * *** ** *** 

***  ** * ***   *  *   *      **  0;
}
answered by (-196 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include * * *      ** **

int main()
{
* * **  * a, b, c, d, e, f, g, h, x;
     ***    *   **** ********  ** *    * &b *  *   **** 
***   ** * ***  *    * *  *
 **   ** ****        *
 *  *** *  *   * 
   * * ****** **
 **** ** * * **      * * *
  * *  ***   *        *** * *
         * * 0;
 **   **
answered by (-66 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include * ** *    * *
int main ()
{
     ** **  **    *  * *   n, reversed_number = 0, remainder;
***  * **   * ** * **  * *  ** * * *  *     ** **  * &n);
 * **  * ***  *  ***  *   * *  **** (n != 0)
 ** ***  *  *** * ****
   **    * *     *****   * ***** * *** * ** *****    *  **  * *   = n%10;
   *  * **  * *  *  *  *      *   * * * *** *** * * * * ***** =    ** *   + remainder;
*  **  * *  **  *  *  ** * * *** ****  * ** **  /= 10;
  ** ** ** **    *** * *
  *    ******  *** ***   * *   *   **    ****  reversed_number);
 ** * ** *       *  * ** * 0;



}
answered by (-140 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
  **  * *  ** * * 
int    *  * 
int num; 

 * ** ***    *   * * 
* **** *   ** * *  * * *  *   * 
* ***   *** *  * *   
*    *   
   **  ** **** **  *    
 ****
} 
***  *** * *** * ** *  
return 0; 
}
answered by (-141 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
Case 5: Wrong output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
Case 5: Wrong output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
Case 5: Wrong output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
Case 5: Wrong output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdlib.h>

using namespace std;

int main()
{
     *   * * ** *    * ***  x;
 * ****   * *    *   *** *  *     * ** *  ***  *
 * *    *    * ****  **  * *  ** **** ** ** ***   *  *  *      **   **** * * ** ****            
***     ** ** ** ***      *******    ** * * * * **   * *     *  **** *   **
** **  *** *  **  * **  *  * *     *** * * * * *** **  * ****  * *  *  * * * **   * ** **   ***** *  ** *       
****   ** ****  ** * *** **    * *   *** ** ***    * 
** **         ***      ***   *   * *   ** *** ****  *** * ***     *  * *     * *** **  ;
 *    *** **  ***   *   * 
* **  *** *    ***** *     0;
}
answered by (-141 points)
0 0
prog.c:3:1: error: unknown type name 'using'
 using namespace std;
 ^~~~~
prog.c:3:17: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'std'
 using namespace std;
                 ^~~
prog.c: In function 'main':
prog.c:7:5: error: unknown type name 'string'
     string x;
     ^~~~~~
prog.c:8:11: error: 'cin' undeclared (first use in this function)
     while(cin>>x){
           ^~~
prog.c:8:11: note: each undeclared identifier is reported only once for each function it appears in
prog.c:10:24: error: request for member 'length' in something not a structure or union
         for(int i=0;i<x.length();i++){
                        ^
prog.c:11:22: error: request for member 'length' in something not a structure or union
             re[i]=x[x.length()-i-1];
                      ^
prog.c:13:9: error: 'cout' undeclared (first use in this function)
         cout<<atoi(re)<<endl ;
         ^~~~
prog.c:13:25: error: 'endl' undeclared (first use in this function)
         cout<<atoi(re)<<endl ;
                         ^~~~
commented by (4.3k points)
Page:
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.70.50.26
©2016-2025

Related questions

1 like 1 dislike
85 answers
10-26 Exercise 2: Displays the number of its digits and their sum
[Exercise] Coding (C) - asked Oct 26, 2017 in Chapter 6: Loops by semicolon (5.2k points)
ID: 28914 - Available when: 2017-10-26 18:00 - Due to: Unlimited | 17.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users